- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04540432
Evolution of Intestinal Microbiota in Patients With Juvenile Spondylarthropathy According to Typology of Treatment (MESAJ)
Descriptive Study on the Evolution of Intestinal Microbiota Profiles in Patients With Juvenile Spondylarthropathy According to the Typology of Treatment and Response to it: A Descriptive, Prospective Pilot Study
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Tu-Anh TRAN, Professor
- Phone Number: +33 4 66 32 86
- Email: tu.anh.tran@chu-nimes.fr
Study Contact Backup
- Name: Jean-Philippe LAVIGNE, Professor
- Phone Number: +334 66 68 32 02
- Email: jean.philippe.lavigne@chu-nimes.fr
Study Locations
-
-
-
Marseille, France
- Recruiting
- APHM, Hôpital Nord
-
Contact:
- Diego URBINA
-
-
Gard
-
Nîmes, Gard, France, 30029
- Recruiting
- Nîmes University Hospital
-
Principal Investigator:
- Tu-Anh TRAN, Prof.
-
Sub-Investigator:
- Anne FILLERON, Dr.
-
Sub-Investigator:
- Renaud CEZAR, Hospital engineer
-
Sub-Investigator:
- Catherine DUNYACH-REMY, Dr.
-
Sub-Investigator:
- Jean-Philippe LAVIGNE, Prof.
-
Contact:
- Anissa MEGZARI
- Phone Number: +33 4 66 68 42 36
- Email: drc@chu-nimes.fr
-
-
Hérault
-
Montpellier, Hérault, France, 34295
- Recruiting
- Montpellier University Hospital, Arnaud de Villeneuve Hospital
-
Contact:
- Eric JEZIORSKI, Dr.
- Phone Number: +33 4 67 33 22 86
- Email: e-jeziorski@chu-montpellier.fr
-
Principal Investigator:
- Eric JEZIORSKI, Dr.
-
Sub-Investigator:
- Aurelia CARBASSE, Dr.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients aged over 8 and under 17 years old (included).
- Patients diagnosed with arthritis with juvenile enthesitis according to the International League of Associations for Rheumatology (ILAR) criteria.
- Patients who haven't been treated by Methotrexate or biotherapy for at least 3 months.
- Patients who haven't been treated by cortisone for over a month.
- Patients whose parents have given written informed consent.
- Patients for whom the consent form has been signed by their legal guardian.
- Patients covered by the Social Security System or benefitting from private health insurance.
Exclusion Criteria:
- Patients enrolled in another category 1 study or who have already taken part in a category 1 study within 3 months prior to inclusion.
- Patients who are within an exclusion period determined by another study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Profile AB
Patients on non-steroidal anti-inflammatory drugs followed by biotherapy.
|
Stool samples will be taken from each patient to look for changes in intestinal microbiota.
These collections will be made on Day 0 +24h, 24 hours before the 1st follow-up visit after 1 month of treatment with non-steroidal anti-inflammatory drugs, 24 hours after the second follow-up visit (between months 3 and 4) and finally, at the end of treatment.
7 ml of blood will be taken from each patient before treatment i.e. at the inclusion visit and at the end of treatment.
|
Experimental: Profile AM
Patients on non-steroidal anti-inflammatory drugs followed by treatment with methotrexate.
|
Stool samples will be taken from each patient to look for changes in intestinal microbiota.
These collections will be made on Day 0 +24h, 24 hours before the 1st follow-up visit after 1 month of treatment with non-steroidal anti-inflammatory drugs, 24 hours after the second follow-up visit (between months 3 and 4) and finally, at the end of treatment.
7 ml of blood will be taken from each patient before treatment i.e. at the inclusion visit and at the end of treatment.
|
Experimental: Profile AMB
Patients on non-steroidal anti-inflammatory drugs followed by treatment with methotrexate and then biotherapy if there is no improvement with methotrexate.
|
Stool samples will be taken from each patient to look for changes in intestinal microbiota.
These collections will be made on Day 0 +24h, 24 hours before the 1st follow-up visit after 1 month of treatment with non-steroidal anti-inflammatory drugs, 24 hours after the second follow-up visit (between months 3 and 4) and finally, at the end of treatment.
7 ml of blood will be taken from each patient before treatment i.e. at the inclusion visit and at the end of treatment.
|
Experimental: Profile A
Patients on non-steroidal anti-inflammatory drugs.
|
Stool samples will be taken from each patient to look for changes in intestinal microbiota.
These collections will be made on Day 0 +24h, 24 hours before the 1st follow-up visit after 1 month of treatment with non-steroidal anti-inflammatory drugs, 24 hours after the second follow-up visit (between months 3 and 4) and finally, at the end of treatment.
7 ml of blood will be taken from each patient before treatment i.e. at the inclusion visit and at the end of treatment.
|
Experimental: Profile M
methotrexate alone
|
Stool samples will be taken from each patient to look for changes in intestinal microbiota.
These collections will be made on Day 0 +24h, 24 hours before the 1st follow-up visit after 1 month of treatment with non-steroidal anti-inflammatory drugs, 24 hours after the second follow-up visit (between months 3 and 4) and finally, at the end of treatment.
7 ml of blood will be taken from each patient before treatment i.e. at the inclusion visit and at the end of treatment.
|
Experimental: Profile B
biotherapy alone
|
Stool samples will be taken from each patient to look for changes in intestinal microbiota.
These collections will be made on Day 0 +24h, 24 hours before the 1st follow-up visit after 1 month of treatment with non-steroidal anti-inflammatory drugs, 24 hours after the second follow-up visit (between months 3 and 4) and finally, at the end of treatment.
7 ml of blood will be taken from each patient before treatment i.e. at the inclusion visit and at the end of treatment.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Number of species detected in the intestinal microbiota.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The number of species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Distribution of species detected in the intestinal microbiota.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Diversity of species detected in the intestinal microbiota.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Number of species detected in the intestinal microbiota.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital. One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The number of species detected in the intestinal microbiota will be recorded. - the diversity index according to the number of species and the number of functional groups. |
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Distribution of species detected in the intestinal microbiota.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Diversity of species detected in the intestinal microbiota.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 1 month of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A)
Time Frame: After 1 month of treatment
|
The JADAS CRP clinical score will be used to rate the degree of activity of the disease. The Juvenile Arthritis Disease Activity Score (JADAS) is a recently developed composite tool for scoring disease activity in juvenile idiopathic arthritis. It is a composite disease activity score including four measures:
|
After 1 month of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A). Number of flare-ups.
Time Frame: After 1 month of treatment
|
The number of flare-ups in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A) will be noted.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Number of species detected in the intestinal microbiota.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The number of species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Distribution of species detected in the intestinal microbiota.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Diversity of species detected in the intestinal microbiota.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The diversity index according to the number of species and the number of functional groups will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM).Number of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Distribution of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Diversity of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Number of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Distribution of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species in the microbiota will be recorded.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM). Diversity of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 6 months of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs for 1 month followed by methotrexate for 5 months (Profile AM)
Time Frame: After 6 months of treatment
|
The JADAS CRP clinical score will be used to rate the degree of activity of the disease. The Juvenile Arthritis Disease Activity Score (JADAS) is a recently developed composite tool for scoring disease activity in juvenile idiopathic arthritis. It is a composite disease activity score including four measures:
|
After 6 months of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs for 1 month followed by methotrexate for 5 months (Profile AM). Number of flare-ups.
Time Frame: After 6 months of treatment
|
The number of flare-ups in patients treated with non-steroidal anti-inflammatory drugs for 1 month followed by methotrexate for 5 months (Profile AM) will be noted.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Number of species.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Distribution of species.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species in the microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Diversity of species.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Number of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Distribution of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Diversity of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Number of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Distribution of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Diversity of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 6 months of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB)
Time Frame: After 6 months of treatment
|
The JADAS CRP clinical score will be used to rate the degree of activity of the disease. The Juvenile Arthritis Disease Activity Score (JADAS) is a recently developed composite tool for scoring disease activity in juvenile idiopathic arthritis. It is a composite disease activity score including four measures:
|
After 6 months of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB). Number of flare-ups.
Time Frame: After 6 months of treatment
|
The number of flare-ups in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB) will be noted.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Number of species.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The number of species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Distribution of species.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Diversity of species.
Time Frame: 24 hours after inclusion
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.The diversity index according to the number of species and the number of functional groups will be recorded.
|
24 hours after inclusion
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Number of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Distribution of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Diversity of species.
Time Frame: After 1 month of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 1 month of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Number of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The number of species detected in the intestinal microbiota will be recorded.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Distribution of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The distribution of the various bacterial species detected in the intestinal microbiota will be recorded.
|
After 6 months of treatment
|
Evolution of the intestinal microbiota in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Diversity of species.
Time Frame: After 6 months of treatment
|
Patients will provide 2 stool samples (one for analysis and one for the biobank) taken at the patient's home, preserved at -20°C and transported in a coolerbag to the hospital.
One sample will be frozen to -80°C for the biobank and one sample will be kept at -20°C at the pediatric department.
The diversity index according to the number of species and the number of functional groups will be recorded.
|
After 6 months of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB)
Time Frame: After 6 months of treatment
|
The JADAS CRP clinical score will be used to rate the degree of activity of the disease. The Juvenile Arthritis Disease Activity Score (JADAS) is a recently developed composite tool for scoring disease activity in juvenile idiopathic arthritis. It is a composite disease activity score including four measures:
|
After 6 months of treatment
|
Response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB). Number of flare-ups.
Time Frame: After 6 months of treatment
|
The number of flare-ups in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB) will be noted.
|
After 6 months of treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs alone (Profile A) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: 24 hours after inclusion
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
24 hours after inclusion
|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs alone (Profile A) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: After 1 month of treatment
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
After 1 month of treatment
|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: 24 hours after inclusion
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
24 hours after inclusion
|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: After 6 months of treatment
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
After 6 months of treatment
|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: 24 hours after inclusion
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
24 hours after inclusion
|
A: Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: After 6 months of treatment
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
After 6 months of treatment
|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy (Profile AMB) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: 24 hours after inclusion
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
24 hours after inclusion
|
A:Correlation between intestinal microbiota of patients treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy (Profile AMB) and the clinical stage of evolution of Juvenile Spondylarthitis.
Time Frame: After 6 months of treatment
|
The description of the intestinal microbiota profile according to INSERM laboratory Unit 1047 will be correlated with the clinical stage of the disease (on remission or acute flare) before and after treatment.
|
After 6 months of treatment
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A)
Time Frame: 24 hours after inclusion
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
24 hours after inclusion
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs alone (Profile A)
Time Frame: After 1 month of treatment
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
After 1 month of treatment
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM)
Time Frame: 24 hours after inclusion
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
24 hours after inclusion
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate (Profile AM)
Time Frame: After 6 months of treatment
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
After 6 months of treatment
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB)
Time Frame: 24 hours after inclusion
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
24 hours after inclusion
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by biotherapy (Profile AB)
Time Frame: After 6 months of treatment
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
After 6 months of treatment
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB)
Time Frame: 24 hours after inclusion
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
24 hours after inclusion
|
B:Correlation between bacterial translocation and response to treatment in patients treated with non-steroidal anti-inflammatory drugs followed by methotrexate then biotherapy (Profile AMB)
Time Frame: After 6 months of treatment
|
Pre- and post-therapeutic translocation and response to treatment (presence/absence: detection of DNA 16S in the blood, quantification by quantitative PCR and sequencing for identification).
|
After 6 months of treatment
|
C:Constitution of a biobank of samples from Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: After 6 months of treatment
|
All blood and stool samples used for the study will be deposited in the biobank for reference.
|
After 6 months of treatment
|
C: Constitution of a biobank for Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate).
Time Frame: After 6 months of treatment
|
All blood and stool samples used for the study will be deposited in the biobank for reference.
|
After 6 months of treatment
|
C: Constitution of a biobank for Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
All blood and stool samples used for the study will be deposited in the biobank for reference.
|
At the inclusion visit on Day 0
|
C: Constitution of a biobank for AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
All blood and stool samples used for the study will be deposited in the biobank for reference.
|
At the inclusion visit on Day 0
|
Age of Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
Recorded in years
|
At the inclusion visit on Day 0
|
Weight of Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
Recorded in kilos
|
At the inclusion visit on Day 0
|
Height of Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
Recorded in cm.
|
At the inclusion visit on Day 0
|
Sex of Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
Male/Female
|
At the inclusion visit on Day 0
|
Previous treatment in Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all treatment followed prior to diagnosis of juvenile spondylarthritis:
|
At the inclusion visit on Day 0
|
Dietary habits in Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of patients' dietary habits and, more particularly, note all foods which are excluded.
|
At the inclusion visit on Day 0
|
Food allergies in Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of patients' food allergies.
|
At the inclusion visit on Day 0
|
Lifestyle of Profile A patients (treated with non-steroidal anti-inflammatory drugs alone)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of the patient's lifestyle:
|
At the inclusion visit on Day 0
|
Age of Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
Recorded in years
|
At the inclusion visit on Day 0
|
Weight of Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
Recorded in kilos
|
At the inclusion visit on Day 0
|
Height of Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
Recorded in cm.
|
At the inclusion visit on Day 0
|
Sex of Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
Male/Female
|
At the inclusion visit on Day 0
|
Previous treatment in Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all treatment followed prior to diagnosis of juvenile spondylarthritis:
|
At the inclusion visit on Day 0
|
Dietary habits in Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all patients' dietary habits and, more particularly, note all foods which are excluded.
|
At the inclusion visit on Day 0
|
Food allergies in Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all patients' food allergies.
|
At the inclusion visit on Day 0
|
Lifestyle in Profile AM patients (treated with non-steroidal anti-inflammatory drugs then methotrexate)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of the patient's lifestyle:
|
At the inclusion visit on Day 0
|
Age of Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Recorded in years
|
At the inclusion visit on Day 0
|
Weight of Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Recorded in kilos
|
At the inclusion visit on Day 0
|
Height of Profile AB patients (treated with non-steroidal anti-inflammatory drugs for then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Recorded in cm.
|
At the inclusion visit on Day 0
|
Sex of Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Male/Female
|
At the inclusion visit on Day 0
|
Previous treatment in Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all treatment followed prior to diagnosis of juvenile spondylarthritis:
|
At the inclusion visit on Day 0
|
Dietary habits in Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all patients' dietary habits and, more particularly, note all foods which are excluded.
|
At the inclusion visit on Day 0
|
Food allergies in Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all patients' food allergies.
|
At the inclusion visit on Day 0
|
Lifestyle in Profile AB patients (treated with non-steroidal anti-inflammatory drugs then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of the patient's lifestyle:
|
At the inclusion visit on Day 0
|
Age of Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Recorded in years
|
At the inclusion visit on Day 0
|
Weight of Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Recorded in kilos
|
At the inclusion visit on Day 0
|
Height of Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Recorded in cm.
|
At the inclusion visit on Day 0
|
Sex of Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
Male/Female
|
At the inclusion visit on Day 0
|
Previous treatment in Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all treatment followed prior to diagnosis of juvenile spondylarthritis:
|
At the inclusion visit on Day 0
|
Dietary habits in Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all patients' dietary habits and, more particularly, note all foods which are excluded.
|
At the inclusion visit on Day 0
|
Food allergies in Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of all patients' food allergies.
|
At the inclusion visit on Day 0
|
Lifestyle in Profile AMB patients (treated with non-steroidal anti-inflammatory drugs then methotrexate then biotherapy)
Time Frame: At the inclusion visit on Day 0
|
The investigators will record details of the patient's lifestyle:
|
At the inclusion visit on Day 0
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- NIMAO/2019/TAT-01
- 20.03.20.564 (Other Identifier: CNRIPH)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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